Exercise apparatus



FIG. 1 is a perspective view of the exercise apparatus;

FIG. 2 is a left side elevational view of the exercise apparatus;

FIG. 3 is a right side elevational view of the exercise apparatus;

FIG. 4 is a front elevational view of the exercise apparatus;

FIG. 5 is a rear elevational view of the exercise apparatus;

FIG. 6 is a top plan view of the exercise apparatus; and,

FIG. 7 is a bottom plan view of the exercise apparatus.

The phantom line showing environment is for illustrative purpose only and forms no part of the claimed design. 

The ornamental design for an exercise apparatus, as shown and described. 